User profiles for Oren Cheyette
Oren CheyetteVerified email at berkeley.edu Cited by 718 |
Effective action for the standard model with large Higgs mass
O Cheyette - Nuclear Physics B, 1988 - Elsevier
The covariant derivative expansion of the one-loop effective action is briefly reviewed, and
applied to the problem of calculating the heavy Higgs effects in the standard Glashow-…
applied to the problem of calculating the heavy Higgs effects in the standard Glashow-…
Derivative expansion of the effective action
O Cheyette - Physical review letters, 1985 - APS
A method is described for the calculation of derivative terms in the effective action to one
loop. Sample calculations are made of the two-and four-derivative terms for a single scalar …
loop. Sample calculations are made of the two-and four-derivative terms for a single scalar …
Markov representation of the Heath-Jarrow-Morton model
O Cheyette - Available at SSRN 6073, 2001 - papers.ssrn.com
This paper provides a derivation of an arbitrage free approximation to any HJM model as a
continuous time Markov model with a finite number of state variables. Arbitrage freedom is …
continuous time Markov model with a finite number of state variables. Arbitrage freedom is …
The effective one-loop action in the strongly interacting standard electroweak theory
O Cheyette, MK Gaillard - Physics Letters B, 1987 - Elsevier
One-loop corrections to the effective gauged σ-model of the large Higgs mass limit of the
standard electroweak model are presented. The one-loop corrected strong scattering amplitude …
standard electroweak model are presented. The one-loop corrected strong scattering amplitude …
Market implied ratings
LL Breger, LR Goldberg, O Cheyette - Risk Magazine, July, 2003 - papers.ssrn.com
Recent high-profile defaults of investment grade bond issuers have demonstrated the
weakness of conventional ratings in rapidly changing circumstances. We propose a simple …
weakness of conventional ratings in rapidly changing circumstances. We propose a simple …
Implied prepayments
O Cheyette - Journal of Portfolio Management, 1996 - papers.ssrn.com
Valuation of mortgage backed securities (MBS) using option theoretic methods presents some
puzzles. First, the option adjusted spreads (OASs) of passthroughs are significantly larger …
puzzles. First, the option adjusted spreads (OASs) of passthroughs are significantly larger …
[PDF][PDF] Production of single W bosons in e+ e-collisions
O Cheyette - 1983 - escholarship.org
The now standard Glashow-Weinberg-Salam (GWS) model of weak and electromagnetic
interactions has had many successes, notably the prediction of the recently detected Wand Z …
interactions has had many successes, notably the prediction of the recently detected Wand Z …
OAS analysis for CMOs.
O Cheyette - Journal of Portfolio Management, 1994 - elibrary.ru
Provides examples of the applications of option-adjusted (OAS) analysis to collateralized
mortgage obligations (CMOs). Analysis of fixed-income securities with embedded options; OAS …
mortgage obligations (CMOs). Analysis of fixed-income securities with embedded options; OAS …
Empirical credit risk
O Cheyette, T Tomaich - Barra Fixed Income Research Working …, 2003 - papers.ssrn.com
We describe an empirically motivated model of credit risk based on a study of the relation
between returns to corporate bonds, government bonds and equities. Examining almost …
between returns to corporate bonds, government bonds and equities. Examining almost …
Fixed Income Risk Modeling
L Breger, O Cheyette - Advanced Bond Portfolio Management …, 2012 - Wiley Online Library
This chapter focuses on fixed income risk modeling using factor models to forecast portfolio
return standard deviation. Conceptually, this is a relatively straightforward problem, although …
return standard deviation. Conceptually, this is a relatively straightforward problem, although …